Finding the Fourth Proportional to 2,227.76, 3,074.30 and 1,443.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.76 : 3,074.30 = 1,443.17 : x
2. Step 2: Convert to fraction form
   2,227.76/3,074.30 = 1,443.17/x
3. Step 3: Cross multiply
   2,227.76x = 3,074.30 × 1,443.17
4. Step 4: Simplify right side
   2,227.76x = 4,436,714.94
5. Step 5: Solve for x
   x = 4,436,714.94/2,227.76
6. Step 6: Final answer
   x = 1,991.56